You don't want to remove them by accident. Identifying traits of bull thistle Cirsium vulgare include lobed leaves that are furry underneath and spiny on top but don't have the marbled patterns ...

Bull thistle, a member of the Asteraceae family, is yet another herbaceous biennial on our list of invasives. Unfortunately, bull thistle can flourish in an array of sites ranging from meadows, ...

Koochiching County officials added noxious weeds to the annual Minnesota Agricultural Department commissioner’s order. The commissioner’s order lists three weeds for eradication, nine for control, two ...

Canada thistle can be found in clay to gravelly soils. typically grows 3-5 feet tall stalk-less leaves around 6 inches long, wavy, lobed leaves with yellow spines at each lobe stem is spineless, ...